DIFF Subgroup
F41A 13/06 Evacuating combustion gas from barrels (F41A13/10 takes precedence)
Introduced: January 1990
Title
Titles differ between systems:
IPC: Evacuating combustion gas from barrels
CPC: Evacuating combustion gas from barrels (F41A13/10 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems > Evacuating combustion gas from barrels
CPC:
Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems > Evacuating combustion gas from barrels (F41A13/10 takes precedence)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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- F41A 13/08 Bore evacuators, i.e. chambers disposed around barrels for storing part of the combustion gas and subsequently injecting it into the barrel to provide suction since 1990 IPC+CPC Available in IPC and CPC